Volume 39 May- June, 1939 Number 3 



TORREYA 



A Bi-MoNTHLY Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



GEORGE T. HASTINGS 



John Torrey, 1796-1873 



CONTENTS 



Guide to the Lichens of the New York area, Part 2 G. G. Nearing 57 



An apparent double sporophyte in Polytrichum comnmne 



Henry X. Andrews, Jr. 69 



Notes on taxonomic techniques Lyman Benson 73 



Book reviews 



Fairchild's The World Was My Garden G. T. Hastings 76 



Hagelstein's Diatomaceae of Porto Rico Joseph F. Burke 77 



Medsger's Edible Wild Plants G. T. Hastings 79 



Seifriz's The Physiology of Plants R. C. Benedict 80 



Burton Wright's General Plant Physiology R. G. Benedict 81 



Field Trips of the Club 83 



Proceedings of the Club 87 



News Notes 92 



Published for the Club 

 By The George Banta Publishing Company 

 450-454 Ahnaip Street, Menasha, Wisconsin 



Entered as second class matter at the post office at Menasha, Wisconsin, 

 under the Act of March 3, 1879 



